Question

Ex 14 pls dau coroana!!!

Answer 1

$\huge \boxed{\sqrt{x {}^{2} } = x} \\ \\ \bf \boxed{\sqrt{x {}^{3} } = \sqrt{ {x}^{2} } \times \sqrt{x } = x \sqrt{x} }$

$\bf \boxed{ \sqrt{ {x}^{4} } = \sqrt{x {}^{2} } \times \sqrt{x {}^{2} } = x \times x = x {}^{2} }$

Minus ridicat la putere pară devine plus.

Minus ridicat la putere impară rămâne minus.